One of the somewhat surprising issues to gain traction this year in Congress has been the status of Cuba trade and diplomatic relations.One of the somewhat surprising issues to gain traction this year in Congress has been the status of Cuba trade and diplomatic relations. During his State of the Union speech, President Obama proposed normalizing relations with that country to the expected opposition of hardline anti-Castro members of Congress. He had previously removed some barriers to travel and trade with Cuba in December 2014 after five decades of restrictions and embargoes. The president also proposed a prisoner swap, which added to the touchy politics of the situation. His move has already factored into Republican presidential primary...